Cut inch squares of knit fabric. Can use old t-shirts, grandmas double knit pants etc. Fold into triangles and sew onto a heavy fabric, such as denim or duck cloth. Draw lines one inch apart on your backing fabric. These will be your stitching lines.
Double knitting INCREASE, super useful when double knitting because this technique preserves the alternating colors on the needles that makes reversible knitting work.
Free Knitting Pattern for Hogwarts Bookscarves - Designed by Anna Kingstone, these reversible double knit bookmarks are designed with the house sigils for Gryffindor, Slytherin, Ravenclaw, and Hufflepuff. Pictured projectby FiberOfMyBeing
Free knitting pattern Rohan Banner Double-Knit Scarf by IrishElinor Lord of the Rings inspired reversible double knit scarf is based on the White Horse upon green banner of Rohan, or as the Rohirrim call their country, the Mark of the Riders